US2903389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding reinforced plastics
Assignee: Individual
•
Filing: 1957-06-05
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Granted: 1959-09-08
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Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Fujita Toshitsune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:25
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/22; B29C39/24; B29C39/003; B29C39/006; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/46; B29C70/48; B29C2791/00; B29C2791/004; B29C2791/006; B29K; B29K2067/00; B29K2067/06; Y; Y10; Y10S; Y10S264/00; Y10S264/53
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
A METHOD OF PRODUCING A REINFORCED MOLDED ARTICLE WHICH COMPRISES PASSING A MONOMERIC VINYL COMPOUND HAVING LOW VISCOSITY INTO A MOLD UNDER PRESSURE, THE MOLD HAVING PREVISOUSLY BEEN PACKED WITH GLASS FIBERS, REMOVING AIR FROM THE MOLD, UNTIL THE AIR IS COMPLETELY REPLACED BY THE VINYL COMPOUND, FLOWING UNSATURATED POLYESTER RESIN INTO THE MOLD UNDER PRESSURE WHILE THE VINYL COMPOUND IS DRIVEN OFF, AND CURING THE RESIN IN THE MOLD.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |